#!usr/bin/env python3
# _*_ coding:utf-8 _*_
classmates=('wang','he','zhang')
print ('classmates=',classmates)
print('classmates[0]=',classmates[0])
print('classmates[1]=',classmates[1])
print('classmates[2]=',classmates[2])
print('classmates[-1]=',classmates[-1])

print('test')
#classmates[1]='yang'